[Retracted] Investigation on Tensile Behaviour of Different Weld Joints through Taguchi Approach

Table 1

Experimental design for each joint arrangement is planned out.

Orthogonal arrays Taguchi	Butt joint			T joint			Lap joints
	L27 (3^13)			L27 (3^13)			L8 (2^7)
Levels	1	2	3	1	2	3	1	2
(A) Rotational speed (rpm)	725	1100	1600	520	1100	1600	830	1600
(B) Welding speed	206	300	380	79	220	400	82	310
(C) Tilt angle (°)	1	2	3	—	—	—	—	—
(D) Probe penetration	1.95	3.75	3.95	4.0	4.0	4.2	2.8	3.5
(E) Shoulder/probe ratio	3.4	3.8	4.4	3.4	3.7	4.6	—	—
(F) Weld run distance							21	22